7576 search results - page 283 / 1516 » On Querying Ontologies and Databases |
200
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EDBT
2002
ACM
16 years 6 months ago
2002
ACM
Existing work on multiway spatial joins focuses on the retrieval of all exact solutions with no time limit for query processing. Depending on the query and data properties, however...
168
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AAAI
1997
15 years 8 months ago
1997
This paper describes an environment for supporting very large ontologies. The system can be used on single PCs, workstations, a cluster of workstations, and high-end parallel supe...
180
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PKDD
2009
Springer
16 years 1 months ago
2009
Springer
A core problem in data mining is to retrieve data in a easy and human friendly way. Automatically translating natural language questions into SQL queries would allow for the design...
166
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CIKM
2007
Springer
16 years 27 days ago
2007
Springer
Spatio-temporal databases deal with geometries changing over time. In general, geometries do not only change discretely but continuously; hence we are dealing with moving objects....
183
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ISI
2006
Springer
15 years 6 months ago
2006
Springer
Access control mechanisms are commonly used to provide control over who may access sensitive information. However, malicious users can exploit the correlation among the data and in...